package com.vic.test.designpattern._2proxypattern.dynamicproxy;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

public class ProxyFactory {
    //维护一个目标对象
    Object target;
    public ProxyFactory(Object target){
        this.target=target;
    }
    //给目标对象生成代理对象
    public Object getProxyInstance(){
        return Proxy.newProxyInstance(target.getClass().getClassLoader(),
                target.getClass().getInterfaces(),
                new InvocationHandler() {
                    @Override
                    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                        System.out.println("----开启事务-----");
                        //执行目标方法
                        Object returnVals = method.invoke(target,args);
                        System.out.println("---提交事务------");


                        return returnVals;
                    }
                });


    }
}
